Improvement in pumps



county of `Middlesex` `and State of Massachusetts,

`l Glass Pumps, of` whichthe bllowingisla specifica# tion. J i

1 `The nature of my invention relates to improvey ments on glasspuinps, constructed in such a manner vso as to `preventthe breaking of the glass cylinder, which `oftenwill occur where the water is to be lifted toa considerable height also, to au improved mode y of .connecting the heads of the' cylinder' to said cylini pose I constrzuctrmy pumps as follows: Y

` i. Figure 2 is aground p1an;`V

l on iig. 2; andi;

i `on iig'. l.

l. occur on the` drawing.`

y a 1t a is a glass cylinder, `pump in question.

i swers also for a stop-valve for thelo'wer end in a usual `segment cast in one piece, with an upright rod, g g g,

` It h, that project throughears, attached to the heads d and e, provided with nuts, whereby the' two heads ISAAC DIbinnenuit,` or,.RocKBorr0M,4 nussuonusnrrs- Letavrsratentno. 112,561,- datea March-14,' 1871.' y

IMPRo'vEMENT |N PuMPs.

The Schedule referred to in these Letters P'atent and making part of the saine.

`1 y y I, ISAAC" DILLrnGHAM, of Rockbottom, `in the have in'vented certain Improvements on Submerged Nature andkQbjects'of the Invention.

der ina strong and [durable manner, for which pur- Onthe drawing- Figure 1 `isa side viewf f Figure 3 is a longitudin l section over the line AB Figure 4 is a cross-section over the lineC D, taken Similar letters refer to "similar parts wherever they forming the barrel for the The glass cylinder` is provided with an' elastic packing-ring, 1i, in `the upper end, whereupon rests the headd, as shown:

` In tlle'lower end is` also.` aujelastic packing, c, b-

tween the endl of the glass cylinder and the lower perforated head'c..` i y Thepacking c is cutout as a round disk, and anway.` y y l Around the glass cylinder al secure a number of rings, j' f f, as shown, made in segments, and each 'provided in their upper andV lower ends, with bolts, h.

-1 The rings fff are provided with elastic packing rings 'i i i', so as to prevent any damage to the glass cylinder from the contact of said rings f f f.

means of hinges lo k, whereby the segments may easily b'e' connected. together or taken apart, as may be required. Y

` The rings f f f are each open at one place, lll, and provided withl bolts, mm an, going through holes `in the ears L Z l, whereby the'rings f f f may.' be drawn tight-ly around the glass barrel, so as to prevent the breaking heretofore alluded to.

To the upper head in a usual way.

In the glass cylinder a is a piston, movable. This piston consistsof a disk, o, perforated with holds p1) p.

On the upper side ofthe perforated disk o is adiskvalve, q, made of rubber or suitable material.

Above the valve g is a ring'7 Ir, with a crossbar, si', and abhub, t, through which the piston-rod u projects. y

Said pistonr0d u is provided with a collar, fu, and a nut, x, between which the dii'erent parts of the piston are securely held.

ing, y, as shown.Y 1 v lhe object of the hub t and cross-piece s is to obtain an even lopening of the disk-waive q all round, and to `effect an' unobstructed flow of t-lie water when pumping. j V

Having thus described the nature, construct-ion, and operation of my invention,

I wish to secure by Letters Patent and claim- 'lhe described. glass pump-cylinder a, having the k, and the vertical connections g, as and for the purpose herein set forth and described. d

ISAAC DILLINGHM.

.Witnesses ALBAN ANDRN,

maybe held securely ontothe upper and `lower end of the glass barrel c, 'A

MAURITZ ANDBN.

@tutti effet Each segment f f f is connected to the other by is attached a conducting-pipe,1z,

The piston is also provided with an angular' pack segmental rings f provided with packings i, the hinges 

